The roster of the warm-ups in Japan:
S - Guo Cheng (vice captain), Wang He-bin, Chen Lei-yang, Liu Meng*
OP - Jiang Chuan (captain), Zhang Guan-hua
OH - Zhang Jing-yin, Yu Yuan-tai, Wang Bin, Zhai De-jun, Deng Xin-peng
MB - Li Yong-zhen, Wang Dong-chen, Rao Shu-han, Peng Shi-kun*
L - Chen Jia-jie, Yang Yi-ming, Qu Zong-shuai
(*): Peng Shi-kun will return after 2023 Asian Club Championship.
Plus:
Liu Meng will also return after 2023 Asian Club Championship.
Yu Yao-chen will keep studying in University of Tsukuba until July.
At least, he won't return NT before August.